import 'package:jetour_line/models/user_info_model.dart';

class PublicMsgManger {
  static PublicMsgManger? _instance;

  PublicMsgManger._internal();

  // 工厂构造函数
  factory PublicMsgManger() {
    _instance ??= PublicMsgManger._internal();
    return _instance!;
  }
  UserInfoModel? userInfoModel;
}